Brian O'Connor (L) of Newtown, Connecticut fills out paperwork to purchase a Glock 10mm pistol at Chris' Indoor Shooting Range in Guilford, Connecticut April 2, 2013. A ban on sales of high-capacity ammunition magazines, background checks for private gun sales and a registry for existing magazines that carry 10 or more bullets is expected to pass the Connecticut houses of the state legislature this week. REUTERS/ Michelle McLoughlin (UNITED STATES - Tags: SOCIETY)